Jayvee Valencia

Lead Software Engineer & Full Stack Developer with 10 years of experience building and modernising web platforms across financial services, real estate, healthcare, and enterprise IT.

Most recently at hammerjack Pty Ltd working across a financial services platform spanning 22 repositories — delivering features across a C#/.NET, React/TypeScript, and Python stack deployed on Azure. Drove platform-wide security hardening over 12 months, resolving 1,375 vulnerabilities including 96 critical and 523 high severity issues across all repos.

Previously Lead Software Engineer at Realtair (part of realestate.com.au), where I led development of the core property management application described by the CEO as the heart of the company. Proposed and implemented CI/CD pipelines adopted company-wide, and contributed a reusable Storybook design system used across all products.

Hands-on with Claude Code, GitHub Copilot, and Devin for AI-assisted development and code review. Experienced building MCP servers and working with LLM, RAG architectures, and vector databases.

Currently based in Melbourne, Victoria. Holding a PR Visa (Subclass 190) — no sponsorship required.